(24E)-3β,11α,15β-triacetoxystigmasta-5,24(28)-dien-28-nitrile 、 [(3S,8S,9S,10R,11R,13R,14S,15R,17R)-11,15-diacetyloxy-17-[(2R,5Z)-5-(cyanomethylidene)-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate 以78%的产率得到